diff --git a/include/autoapp/Managers/IAudioManager.hpp b/include/autoapp/Managers/IAudioManager.hpp
index f2609b63..c11018c9 100644
--- a/include/autoapp/Managers/IAudioManager.hpp
+++ b/include/autoapp/Managers/IAudioManager.hpp
@@ -25,7 +25,7 @@ class IAudioManager: public IManager{
 
  public:
   IAudioManager() = default;
-  virtual ~IAudioManager() override = default;
+  ~IAudioManager() override = default;
 
   /// Request the given audio focus type for the given channel id
   /// \param channelId AASDK channel ID of affected channel
diff --git a/include/autoapp/Managers/IGPSManager.hpp b/include/autoapp/Managers/IGPSManager.hpp
index 47c61895..3f03aa0b 100644
--- a/include/autoapp/Managers/IGPSManager.hpp
+++ b/include/autoapp/Managers/IGPSManager.hpp
@@ -16,7 +16,7 @@ class IGPSManager: public IManager{
   int delay = 1000;
  public:
   IGPSManager() = default;
-  virtual ~IGPSManager() override = default;
+  ~IGPSManager() override = default;
 
   void registerLocationCallback(const locationCallback &callback) {
     locationCallbacks.emplace_back(callback);
diff --git a/include/autoapp/Managers/INavigationManager.hpp b/include/autoapp/Managers/INavigationManager.hpp
index 14fa456c..883e1543 100644
--- a/include/autoapp/Managers/INavigationManager.hpp
+++ b/include/autoapp/Managers/INavigationManager.hpp
@@ -24,7 +24,7 @@ class INavigationManager : public IManager {
 
  public:
   INavigationManager() = default;
-  virtual ~INavigationManager() override = default;
+  ~INavigationManager() override = default;
 
   virtual void NavigationDistance(int distance,
                                   int time,
diff --git a/include/autoapp/Managers/INightManager.hpp b/include/autoapp/Managers/INightManager.hpp
index e8174278..c39c1c55 100644
--- a/include/autoapp/Managers/INightManager.hpp
+++ b/include/autoapp/Managers/INightManager.hpp
@@ -17,7 +17,7 @@ class INightManager: public IManager{
   int delay = 1000;
  public:
   INightManager() = default;
-  virtual ~INightManager() override = default;
+  ~INightManager() override = default;
 
   void registerNightCallback(const nightCallback &callback) {
     nightCallbacks.emplace_back(callback);
diff --git a/include/autoapp/Managers/IVideoManager.hpp b/include/autoapp/Managers/IVideoManager.hpp
index df3613a5..f8b705d6 100644
--- a/include/autoapp/Managers/IVideoManager.hpp
+++ b/include/autoapp/Managers/IVideoManager.hpp
@@ -14,7 +14,7 @@ class IVideoManager: public IManager{
 
  public:
   IVideoManager() = default;
-  virtual ~IVideoManager() override = default;
+  ~IVideoManager() override = default;
 
   /// Requests video focus from the VideoManager
   virtual void requestFocus() = 0;
diff --git a/include/autoapp/Service/WifiService.hpp b/include/autoapp/Service/WifiService.hpp
index a3f94df0..a4c29b28 100644
--- a/include/autoapp/Service/WifiService.hpp
+++ b/include/autoapp/Service/WifiService.hpp
@@ -29,7 +29,7 @@ class WifiService : public IService, public std::enable_shared_from_this<WifiSer
  public:
   using Pointer = std::shared_ptr<WifiService>;
 
-  WifiService(configuration::IConfiguration::Pointer configuration);
+  explicit WifiService(configuration::IConfiguration::Pointer configuration);
 
   void start() override;
   void stop() override;